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| Number | Title | Issue Date |
| 8110765 | Electroluminescent lamp membrane switch An combined monolithic electroluminescent lamp and membrane switch is manufactured by continuous printing. Graphic indicia is imprinted on deformable substrate. An electroluminescent lamp is imprinted on the graphic indicia layer and a membrane switch is formed on t... | 02/07/2012 |
| 8076602 | Printed circuit board for a mobile device A printed circuit board is provided for use in a keyboard assembly of a mobile device having a plurality of keys in a key layout. The printed circuit board has a plurality of contacts, such as dome switches, arranged in a contact layout. The contact layout is such t... | 12/13/2011 |
| 8049127 | Touch panel A touch panel has an upper board having an upper conductive layer, a lower board having a lower conductive layer, a pair of upper electrodes along the periphery of the upper conductive layer and having an upper electrode lead, a pair of lower electrodes along the pe... | 11/01/2011 |
| 8022327 | Switch, circuitry, and method of assembly for electrosurgical pencil Formation of an assemblage of electrically conductive components for a new electrosurgical pencil is disclosed, and assembly of those components in a method for automating the manufacture and combination of current carrying metal circuitry and operable switching com... | 09/20/2011 |
| 7923653 | Key switch sheet and key switch module A key switch sheet has a pressure sensitive adhesive layer for holding a contact spring by adhering to an apex portion of a dome-shaped contact spring at a back surface of a base material sheet. A thickness of the pressure sensitive adhesive layer at a region to be ... | 04/12/2011 |
| 7759594 | Thin key sheet and production method thereof Preparing a resin film having a transparency and a thickness of 0.2 mm or less such as PC, PET, PU or the like; drawing the resin film in such a manner to form concave portions at positions corresponding to a plurality of the key tops of the resin film by pinching t... | 07/20/2010 |
| 7655878 | Key sheet and key sheet manufacturing method Disclosed is a key sheet having a base sheet equipped with a hard resin plate and a key sheet manufacturing method, wherein a reduction is achieved in the thickness of the base sheet and in the effort and cost for the molding. Further, accurate depressing operation ... | 02/02/2010 |
| 7645956 | Fail safe membrane switches Membrane switches have at least one trace with two leads, such that its integrity can be tested during deployment of the switch. ... | 01/12/2010 |
| 7589292 | Keypad with light guide layer, keypad assembly and portable terminal Disclosed is a keypad which can realize uniform and bright illumination, small power consumption and low manufacturing cost. The keypad includes a light guide layer through which light travels, at least one key button disposed on an upper surface of the light guide ... | 09/15/2009 |
| 7589293 | Membrane switch circuit and keyswitch using such membrane switch circuit The invention discloses a membrane switch circuit and a keyswitch using such membrane switch circuit. The keyswitch comprises a deformable member, which is disposed on the membrane switch circuit. The membrane switch circuit according to the invention comprises a me... | 09/15/2009 |
| 7586056 | Resin molded body, receiving jig and method for manufacturing push button switch member To separate resin molded parts that are used for a push button switch member with less light leakage from the side faces and less trouble in key operation, easily, a resin molded body comprises one or more resin molded parts for a push button switch member, a frame ... | 09/08/2009 |
| 7576294 | Mechanical control elements for organic polymer electronic devices A switching element for polymer electronic devices is constructed from organic materials. ... | 08/18/2009 |
| 7554051 | Sensor assembly A sensor comprising a plurality of layers, comprising a first mask layer; a second mask layer; a third mask layer disposed between said first and second mask layers and defining an aperture; and a first conductive layer disposed between the first mask layer and the ... | 06/30/2009 |
| 7538287 | Touch panel and manufacturing method thereof A first separate area insulated from a top conductive layer and extending in a direction perpendicular to an extending direction of top electrodes is provided near an inner periphery of a spacer on a surface of the top substrate where the top conductive layer is pro... | 05/26/2009 |
| 7538288 | Touch panel A touch panel has an upper conductive layer, a lower conductive layer, a substrate and multiple electrical connectors. The upper conductive layer has an upper film and two X-electrodes being formed adjacent to the upper film. The lower conductive layer has a lower f... | 05/26/2009 |
| 7504603 | Sheet and sheet switch An elastic sheet (5) comprises a first sheet (10) plated a metal film (11) on an upper surface thereof, a number of moveable contacts (20) attached on a lower surface of the first sheet (10), a second sheet (30) affixed on t... | 03/17/2009 |
| 7459651 | Printed circuit board for a mobile device A printed circuit board is provided for use in a keyboard assembly of a mobile device having a plurality of keys in a key layout. The printed circuit board has a plurality of contacts, such as dome switches, arranged in a contact layout. The contact layout is such t... | 12/02/2008 |
| 7442889 | Keypad assembly A keypad assembly including a light guide plate, a keypad, and reflective layers is disclosed. The light guide plate includes reflective patterns that are locally formed on the bottom surface of the light guide plate to reflect a part of light going into the light g... | 10/28/2008 |
| 7439466 | Touch panel A touch panel includes a first substrate, a second substrate, and a plurality of insulating grooves. The first substrate has a first conductive layer, and a plurality of first electrodes that extend from both ends of the first conductive layer and that have first el... | 10/21/2008 |
| 7439465 | Switch arrays and systems employing the same to enhance system reliability An input system is delineated comprising an array of touch regions. At least one touch region is aligned with a sensing structure. The sensing structure comprises a first conductive region; a second conductive region aligned with the first conductive region, the sec... | 10/21/2008 |
| 7432459 | Seat control unit for adjusting a vehicle seat and vehicle seat configuration A seat control unit for adjusting a vehicle seat includes a touch sensor having a touch-sensitive fabric. The touch-sensitive fabric is disposed on a support layer which may be formed by a vehicle interior component such as the vehicle seat, an interior door panel o... | 10/07/2008 |
| 7427725 | Keyboards A keyboard. A membrane circuit board includes a plurality of switches. At least one keycap is disposed on the membrane circuit board and includes a plurality of activating pillars respectively corresponding to and separated from the switches. When the keycap is move... | 09/23/2008 |
| 7417202 | Switches and systems employing the same to enhance switch reliability and control A switch is delineated comprising a first conductive region; a second conductive region aligned with the first conductive region, the second conductive region including a first conductive pattern forming a first switch terminal and a second conductive pattern formin... | 08/26/2008 |
| 7414612 | Analog input device In an analog input device, a rubber member is provided between a key top and a movable electrode of an analog-quantity generating unit. A dead zone can be removed or reduced by forming a bottom portion of the rubber member of a flat or curved face. Furthermore, sinc... | 08/19/2008 |
| 7414548 | Continuously actuatable keys pertaining to a keyboard comprising an integrated signal detection element, and method for signal processing The aim of the invention is to develop a keyboard for compact mobile electronic appliances, said keyboard comprising an integrated signal detection element and enabling simple data input and simultaneous continuous control possibilities using a plurality of keys; an... | 08/19/2008 |
| 7411143 | Flexible EL dome sheet and flexible EL dome sheet keypad using the same A flexible EL dome sheet uses a polymer insulation layer having a thickness of 5 to 50 μm as a substrate, and therefore, the thickness of the flexible EL dome sheet is 50 to 150 μm. The flexible EL dome sheet comprises a flexible EL sheet having key patterns forme... | 08/12/2008 |
| 7402764 | Multi-functional touch actuator in electronic devices A joystick has a dome facing a flat position sensitive detector for use an electronic device. The dome is elastically mounted so that the apex of the dome rests on the detector. As the joystick is deflected, the dome and the detector roll against each other such tha... | 07/22/2008 |
| 7397466 | Integral spacer dots for touch screen A touch screen comprising a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, where each spacer dot comprises a base cross section in the substantially planar surface of the flexible sheet defined by a fir... | 07/08/2008 |
| 7394030 | Small form-factor keyboard using keys with offset peaks and pitch variations A small form-factor keyboard or keypad for key structures is provided in which individual key structures have a contact surface on which there is a center reference and a peak. The center reference and the peak or offset, so that an offset distance between the cente... | 07/01/2008 |
| 7394039 | Keyboard and membrane switch for keyboard A disclosed keyboard includes a housing with a base member, a top plane member, and a membrane switch installed inside the housing. The membrane switch has a first resin sheet, a second resin sheet, and a spacer resin sheet arranged between the first and second resi... | 07/01/2008 |
| 7381913 | Switch element A switch element for surface mounting onto a printed circuit board which has a bearer element (2) and a contact element (1). Both the bearer element and the contact element are formed from an electrically conductive material and the contact element bei... | 06/03/2008 |
| 7378609 | Metal dome switch assembly with enhanced snap ratio A metal dome switch assembly with a good snap ratio and having a desired click characteristic near to that of an isolated metal dome includes a carrier base layer and adhesive layer which have a plurality of holes bounded by annular sections which engage the lower o... | 05/27/2008 |
| 7375297 | Method and apparatus to improve tactile feel for keyboards and button assemblies A keyboard for an electronic device that incorporates a flexible carrier for the keys. The flexible carrier has cutouts or slots that aid in decoupling the actions of one from its neighbors. Moreover, in addition to or instead of cutouts or slots, the flexible carri... | 05/20/2008 |
| 7371985 | Watertight key switch assembly and its fabrication A bendable, washable, watertight key switch assembly is disclosed to include a polymeric flexible top layer made, which has key caps and a conducting member respectively bonded to the inside wall of each key cap, a polymeric flexible bottom layer defining with the f... | 05/13/2008 |
| 7368672 | Push-on switch A push-on switch includes a movable contact which has a projecting segment permanently connected with an outer contact and which is accommodated in a recess of a switch enclosure. A sheet with a center through hole for the movable contact is placed on the switch enc... | 05/06/2008 |
| 7369122 | Touch panel spacer dots and methods of making The present invention provides touch panels and touch panel substrates that include spacer dots comprising a nanocomposite material. The present invention also provides methods of ink jet printing spacer dots for touch panel applications. The spacer dots and methods... | 05/06/2008 |
| 7369881 | Portable telephone and method of manufacturing the same A portable telephone includes a lower case and elastic sheet, an operation button portion component, and an operation button illuminating light source. Predetermined openings are formed in each of the lower case and elastic sheet to arrange a plurality of front surf... | 05/06/2008 |
| 7368921 | Printed capacitive sensor The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace, ... | 05/06/2008 |
| 7365281 | Waterproof/drainage structure for a casing, and electronic devices Provided is a waterproof/drainage structure for a lower casing (11) having a plurality of pushbuttons (16) on a surface thereof. The waterproof/drainage structure has a cover member (14) forming the surface and provided with a plurality of butto... | 04/29/2008 |
| 7364649 | Method of producing the keytop for pushbutton switch According to a method of producing a key top for a pushbutton switch of the present invention, a base layer made of an insulating resin that can be plated with metal, an electroless plating layer to be formed on the surface of the base layer, and a polymer coating l... | 04/29/2008 |
